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Finding the Fourth Proportional to 75,800.72, 113,675.16 and 44,653.52

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Solution

The fourth proportional to 75,800.72, 113,675.16 and 44,653.52 is: 66,965.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,800.72 : 113,675.16 = 44,653.52 : x
  2. Step 2: Convert to fraction form
    75,800.72/113,675.16 = 44,653.52/x
  3. Step 3: Cross multiply
    75,800.72x = 113,675.16 × 44,653.52
  4. Step 4: Simplify right side
    75,800.72x = 5,075,996,030.56
  5. Step 5: Solve for x
    x = 5,075,996,030.56/75,800.72
  6. Step 6: Final answer
    x = 66,965.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.